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Securities - Schedule of Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Amortized Cost
Less than one year	$ 64,385
Due after one year through five years	108,490
Due after five years through ten years	215,288
Due after ten years	603,696
Total amortized cost	991,859
Estimated Fair Value
Less than one year	63,625
Due after one year through five years	104,690
Due after five years through ten years	215,267
Due after ten years	606,706
Total estimated fair value	990,288
Portfolio layer fair value hedge basis adjustments	$ 12,223	$ 4,038

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